Negative ion and constant temperature function: Negative ion technology and constant temperature function ensure a healthier hair care and drying experience. Negative ions can moisturize hair, lock in moisture and prevent heat damage, straighten hair, eliminate split ends, reduce protein damage, maintain hair's natural moisture and dry out quickly. 2000W power and low noise: The 2000W professional hair dryer adopts airflow collection technology to increase the wind speed of the hair dryer and uses U-shaped heating wire to evenly distribute heat. Thanks to the strong wind, you can quickly dry your hair and style it faster and easier for a stunning hairstyle. 3 hot and cold modes: variable speed temperature control, constant temperature protection and balanced heat for ultimate hair control and versatility. Suitable for different hair styles and drying times as well as heating and cooling for different hair types. The 90° foldable handle and hanging design make storage and carrying more convenient, making life simple. The overheating protection device effectively prevents thermal damage; the AC motor has long life, low consumption, and low failure rate; the hair dryer is compact and easy to carry, about the same size as an iPhone X, and the cord is 2.5m long. You are free to use it almost anywhere in the room. (It is recommended to use it once within 30 minutes) 3 types of detachable air nozzles: the nozzle is smooth, the hair is quick-drying, straight hair, and the styling is comfortable; the styling nozzle for dry hair and straight hair is easy to control the direction, the wind direction is concentrated, and the styling is comfortable; the diffusion nozzle can make the hair style more comfortable. Curls are more defined and hair is smoothed with a diffuser blow dryer for a private styling experience.